Science

A hidden X-ray phase has been revealed in a likely neutron star merger.

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 04/10/2026, 17:10:24 UTC.

Briefings

A recent study by an international team, including researchers from the Department of Physics and the Hong Kong Institute for Astronomy and Astrophysics (HKIAA) at The University of Hong Kong (HKU), identified a previously hidden phase of high-energy activity occurring after the merger of compact stars. This discovery suggests new mechanisms for energy release in stellar mergers, with the team noting that the specific nature of this phase remains to be fully understood.

Key points

• An international team led by researchers from the Department of Physics and the Hong Kong Institute for Astronomy and Astrophysics (HKIAA) at The University of Hong Kong (HKU) discovered a previously hidden phase of high-energy activity following the merger of compact stars.
• The team's findings indicate that this new phase of activity is distinct from standard merger outcomes, potentially offering insights into the complex physics of neutron star mergers.

Context and limitations

The evidence is limited to the initial discovery of the phase and does not include detailed observations, measurements, or follow-up data regarding the specific energy levels or duration of this activity.

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